/Engine/Source/Developer/SkeletalMeshUtilitiesCommon/Public/LODUtilities.h
Simplifies the static mesh based upon various user settings for DesiredLOD This is private function that gets called by SimplifySkeletalMesh
static void SimplifySkeletalMeshLOD &40; USkeletalMesh &42; SkeletalMesh, int32 DesiredLOD, const class ITargetPlatform &42; TargetPlatform, bool bRestoreClothing, class FThreadSafeBool &42; OutNeedsPackageDirtied &41;